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Finding the Fourth Proportional to 1,486,567, 2,051,428.98 and 866,333.80

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Solution

The fourth proportional to 1,486,567, 2,051,428.98 and 866,333.80 is: 1,195,521.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,567 : 2,051,428.98 = 866,333.80 : x
  2. Step 2: Convert to fraction form
    1,486,567/2,051,428.98 = 866,333.80/x
  3. Step 3: Cross multiply
    1,486,567x = 2,051,428.98 × 866,333.80
  4. Step 4: Simplify right side
    1,486,567x = 1,777,222,263,673.52
  5. Step 5: Solve for x
    x = 1,777,222,263,673.52/1,486,567
  6. Step 6: Final answer
    x = 1,195,521.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.